Malicious PDF — malware analysis report

Static analysis result for SHA-256 c60372b9854e80d2…

MALICIOUS

PDF

42.3 KB Created: 2020-08-27 19:27:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b3ed9b7f29bc6aaabc91dbbc20d9d5b SHA-1: c0da6655300096b4199663e3574b0f27ad43ffc6 SHA-256: c60372b9854e80d28fdf6b502347ba0ec1bfd0ed9e9585b8fe497f115048f945
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.club/pify?keyword=como+soldar+con+cautin, which likely leads to further malicious content. The document body itself is heavily obfuscated but contains the same malicious URL and numerous other links, suggesting a broad distribution effort. No scripts were extracted from this sample.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.club/pify?keyword=como+soldar+con+cautin
    • http://files.exeterunitedchurch.com/uploads/1/3/2/3/132302855/vazapijasimeze_kesotinololelak_jogukisirokowom_zefowipig.pdf
    • http://files.kissthecowfarm.com/uploads/1/3/1/4/131453615/mivoroxugu.pdf
    • https://cdn.shopify.com/s/files/1/0433/6920/1832/files/nurijekida.pdf
    • https://cdn.shopify.com/s/files/1/0454/2342/7752/files/add_watermark_to_programmatically.pdf
    • https://cdn.shopify.com/s/files/1/0429/2381/9164/files/59004432232.pdf
    • https://cdn.shopify.com/s/files/1/0438/3807/9138/files/tazukibamuvejolawafinebu.pdf
    • https://cdn.shopify.com/s/files/1/0461/7057/0915/files/cbse_tentative_date_sheet_2019_class_10.pdf
    • https://cdn.shopify.com/s/files/1/0438/0885/0081/files/dreamtime_travel_agency_listening_ielts_answer.pdf
    • https://cdn.shopify.com/s/files/1/0435/2235/9447/files/machinery_vibration_diagnostic_guide.pdf
    • https://cdn.shopify.com/s/files/1/0429/0173/3542/files/widokuz.pdf
    • https://cdn.shopify.com/s/files/1/0431/8537/3333/files/56595131205.pdf
    • https://cdn.shopify.com/s/files/1/0431/8923/9969/files/840228002.pdf
    • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/85912699107.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006913.bin
09498eef0209b78d59958b1a70c6de828ea61a4e23cb89be51b4864811df18a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6913 4992 bytes
font_01_sfnt_off000079f0.bin
1be25e834cce7953950ad3082027893dd4e603af949cc173de1730d1158ee8f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79F0 10228 bytes

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